John Hennessey test drives his personal Ford Focus RS equipped with the HPE400 upgrade which produces 445 lb-ft of torque....

21 September, 2016

Hennessey Performance track and dyno tests the 2017 50th Anniversary Camaro SS with the HPE650 Supercharged upgrade. The new Fifty has...

09 September, 2016

Hennessey Performance tests the factory stock 2016 Ford Focus RS on the company's Dynojet chassis dyno. Stay tuned for more...

01 September, 2016

The new 2016 Cadillac CTS-V is a fantastic vehicle and we love making them faster. We have packages available from...

25 August, 2016

This is one of our favorite things to do here, to see the smiles put on faces of our great...

23 August, 2016

Hennessey Performance dyno tests the HPE1000 Twin Turbo & Supercharged Hellcat Challenger. Results: 848 rear wheel HP through the factory...

23 August, 2016

Hennessey Performance upgrades the Jaguar F-TYPE convertible with its HPE600 upgrade and delivers to the customer. We love building vehicles for...

18 August, 2016

Hennessey Performance performs chassis dyno testing and tuning on their HPE575 Shelby GT350 Mustang. Factoring in a 15% driveline loss...

17 August, 2016

How does the Hennessey HPE850 Hellcat compare against a stock Hellcat? Check out this Street Fighter video to find out! Nothing...

16 August, 2016

John Hennessey takes delivery of the Hennessey Performance 2016 Ford Focus RS (stock for now) and takes it out for...

15 August, 2016

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